<https://blog.octo.com/#/schema/person/image/>
<http://schema.org/url>
<https://secure.gravatar.com/avatar/6633c1696e43e1523e105de25b073835?s=96&d=mm&r=g>
<https://blog.octo.com/browser-20-un-nouveau-browser-pour-des-interactions-plus-riches/>